CN205141362U - Adopt semiconductor laser's of bi -polar fiber optic coupling output laser system - Google Patents
Adopt semiconductor laser's of bi -polar fiber optic coupling output laser system Download PDFInfo
- Publication number
- CN205141362U CN205141362U CN201520912842.4U CN201520912842U CN205141362U CN 205141362 U CN205141362 U CN 205141362U CN 201520912842 U CN201520912842 U CN 201520912842U CN 205141362 U CN205141362 U CN 205141362U
- Authority
- CN
- China
- Prior art keywords
- laser
- semiconductor laser
- coupling output
- double ended
- fiber coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Lasers (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model discloses an adopt semiconductor laser's of bi -polar fiber optic coupling output laser system, including the semiconductor laser of bi -polar fiber optic coupling output, the semiconductor laser of bi -polar fiber optic coupling output has an encapsulation casing that the step is heat sink, and the heat sink keep (shenglvehao)at a certain distance away of going up of step of encapsulation casing has welded a plurality of single -tube laser chip, coaxial fast axis collimating lens, slow axis collimating lens and the reflector of being provided with of a plurality of single -tube laser chip one -to -one in its light -emitting orientation side by side. The light -emitting direction of a plurality of single -tube laser chip is unanimous, and outgoing laser successively passes through fast axis collimating lens and slow axis collimating lens, through soon, laser beam's the angle of divergence obtains in various degree reducing after the plastic of slow axis collimating lens. The utility model discloses the volume of PA pumping source about 20%, the cost of reduction pumping source about 10% can be reduced, the demand that miniwatt pulse continuous laser system develops more can be adapted to towards miniaturized, low -cost direction.
Description
Technical field
The utility model relates to a kind of laser system adopting the semiconductor laser of double ended fiber coupling output, belongs to laser technology field.
Background technology
Fiber laser technology fast development in recent years, semiconductor laser has as pumping source that conversion efficiency is high, the life-span is long, volume is little, lightweight, high reliability, receives more attention.
Small-power pulse/jointed fiber laser progressively changes towards low cost, miniaturization, high-power direction as the part that Laser Marketplace is important.In general, small-power pulse/jointed fiber laser is made up of principal earthquake-amplification (MOPA) structure.Be limited to amplifier (PA) coupler single armed and bear power, usually adopt (2+1) * 1 coupler two identical single tubes or many single-tube semiconductor lasers exported optical coupling enter amplification system.
The operation principle of this system is: the laser of seed source injection enters Yb-doped double-cladding fiber through coupler, is finally exported by delivery.Two Single-end output semiconductor lasers are as the pumping source of amplifier, and two block power supply circuit boards are respectively two pumping tubes and provide electric energy.This mode is comparatively directly simple, but there are two pumping tubes takies the shortcomings such as larger space, packaging cost and circuit cost are higher, production practical operation is complicated.
Utility model content
The technical problems to be solved in the utility model is the shortcoming for above-mentioned semiconductor laser module, provides that a kind of volume is little, cost is low, the semiconductor laser system of the double ended fiber coupling output of dependable performance.
In order to solve the problem, the utility model by the following technical solutions:
A kind of laser system adopting the semiconductor laser of double ended fiber coupling output, comprise the semiconductor laser of double ended fiber coupling output, the semiconductor laser of double ended fiber coupling output has the heat sink encapsulating housing of a step, keep at a certain distance away on the step of encapsulating housing is heat sink and be welded with several single-tube laser chips side by side, several single-tube laser chips one_to_one corresponding on its light direction is coaxially arranged with fast axis collimation lens, slow axis collimating lens and reflective mirror.
The light direction of several single-tube laser chips described is consistent, shoot laser successively through fast axis collimation lens and slow axis collimating lens, through the angle of divergence of laser beam obtains reduction in various degree soon, after the shaping of slow axis collimating lens.
Below the further optimization of the utility model to such scheme:
Described each reflective mirror is all that 45 ± 5 degree of angles are arranged with horizontal direction, and incline direction is consistent; Position encapsulating housing being in the injection direction of reflective mirror is provided with a convergent lens and Laser output unit, and convergent lens is all coated with anti-reflection film.This Laser output unit is 1*2 fiber optic splitter.1*2 fiber optic splitter output optical fibre is all carved with the grating high instead to Optical Maser System wavelength, semiconductor laser wavelength is high.
This laser system also comprises seed source, and the output of seed source is connected with laser in turn through coupler, Yb-doped double-cladding fiber, delivery according to the outbound course of laser; The semiconductor laser of double ended fiber coupling output is connected to laser on coupler as pumping source.
The semiconductor laser of the double ended fiber coupling output that the utility model proposes, the semiconductor laser of the Single-end output that two traditional power are equal with it can be replaced, the volume of PA pumping source about 20% can be reduced, reduce the cost of pumping source about 10%, more can adapt to small-power pulse/continuous wave laser system towards demand that is miniaturized, low cost future development.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of semiconductor laser in the utility model embodiment.
Accompanying drawing 2 is the laser system schematic diagrames adopting semiconductor laser in the utility model embodiment.
In figure: 101-seed source; 103-power supply circuit board; 104-laser is through coupler; 105-Yb-doped double-cladding fiber; 106-delivery; The semiconductor laser of 202-double ended fiber coupling output; 301-encapsulating housing; 302-single-tube laser chip; 303-fast axis collimation lens; 304-slow axis collimating lens; 305-reflective mirror; 306-convergent lens; 307-fixed mount; 310-1*2 fiber optic splitter.
Embodiment
Embodiment, as shown in Figure 1, a kind of laser system adopting the semiconductor laser of double ended fiber coupling output, comprise the semiconductor laser 202 of double ended fiber coupling output, the semiconductor laser 202 of double ended fiber coupling output has the heat sink encapsulating housing 301 of a step, keep at a certain distance away on the step of encapsulating housing 301 is heat sink and be welded with several single-tube laser chips 302 side by side, several single-tube laser chips 302 one_to_one corresponding on its light direction is coaxially arranged with fast axis collimation lens 303, slow axis collimating lens 304 and reflective mirror 305.
The light direction of several single-tube laser chips 302 described is consistent.Shoot laser successively through fast axis collimation lens 303 and slow axis collimating lens 304, through the angle of divergence of laser beam obtains reduction in various degree soon, after the shaping of slow axis collimating lens.
Described each reflective mirror 305 is all that miter angle is arranged with horizontal direction, and incline direction is consistent; Position encapsulating housing 301 being in the injection direction of reflective mirror 305 is provided with a convergent lens 306 and Laser output unit, and convergent lens is all coated with anti-reflection film;
This Laser output unit is 1*2 fiber optic splitter 310.
By regulating reflective mirror 305, one group of collimated light beam that single-tube laser chip 302 can be sent is stacked into the square hot spot of contour approximation.Last hot spot is coupled in the 1*2 fiber optic splitter 310 of light inlet 50:50 after convergent lens 306 focuses on.
1*2 fiber optic splitter 310 is made by fused biconical taper method, and it has an optic fibre input end and two fiber-optic outputs, and light beam enters through optic fibre input end, is then divided into the two-beam of energy equalization, exports from two fiber-optic outputs.Beam splitter cone district is fixed on fixed mount 307 after special processing.
As shown in Figure 2, this laser system also comprises seed source 101, and the output of seed source 101 is connected with laser in turn through coupler 104, Yb-doped double-cladding fiber 105, delivery 106 according to the outbound course of laser;
The semiconductor laser 202 of double ended fiber coupling output is connected to laser on coupler 104 as pumping source, and the semiconductor laser 202 of double ended fiber coupling output is connected with a block power supply circuit board 203, provides electric energy.
The utility model adopts the semiconductor laser 202 of double ended fiber coupling output to instead of two Single-end output semiconductor lasers, and only can satisfy the demands with a block power supply circuit board 203.Therefore adopt this semiconductor laser can effectively reduce pumping source volume, reduce raw material and cost of labor, more can adapt to small-power pulse/continuous wave laser system towards demand that is miniaturized, low cost future development.
In description of the present utility model, it is to be appreciated that term " the 1st ", " the 2nd " etc. are only for describing object, and instruction or hint relative importance can not be interpreted as.In addition, in description of the present utility model, except as otherwise noted, the implication of " several " is two or more, and illustrated quantity is only used as the object of example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, to those skilled in the art, the utility model can have various change and change.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. one kind adopts the laser system of the semiconductor laser of double ended fiber coupling output, comprise the semiconductor laser (202) of double ended fiber coupling output, the semiconductor laser (202) of double ended fiber coupling output has the heat sink encapsulating housing (301) of a step, keep at a certain distance away on the step of encapsulating housing (301) is heat sink and be welded with several single-tube laser chips (302) side by side, on the light direction of several single-tube laser chips (302), one_to_one corresponding is coaxially arranged with fast axis collimation lens (303) with it, slow axis collimating lens (304) and reflective mirror (305),
It is characterized in that: each reflective mirror (305) of the semiconductor laser of double ended fiber coupling output is all that 45 ± 5 degree of angles are arranged with horizontal direction, and incline direction is consistent; Position encapsulating housing (301) being in the injection direction of reflective mirror (305) is provided with a convergent lens (306) and Laser output unit.
2. a kind of laser system adopting the semiconductor laser of double ended fiber coupling output according to claim 1, is characterized in that:
Convergent lens is all coated with the high saturating anti-reflection film of semiconductor laser wavelength.
3. a kind of laser system adopting the semiconductor laser of double ended fiber coupling output according to claim 1, is characterized in that:
The output unit of the semiconductor laser of double ended fiber coupling output is 1*2 fiber optic splitter (308).
4. a kind of laser system adopting the semiconductor laser of double ended fiber coupling output according to claim 3, is characterized in that:
The output optical fibre of the output unit of the semiconductor laser of double ended fiber coupling output is all carved with the grating high instead to Optical Maser System wavelength, semiconductor laser wavelength is high.
5. a kind of laser system adopting the semiconductor laser of double ended fiber coupling output according to claim 1, it is characterized in that: this semiconductor laser system also comprises seed source (101), the output of seed source (101) is connected with laser in turn through coupler (104), Yb-doped double-cladding fiber (105), delivery (106) according to the outbound course of laser; The semiconductor laser (202) of double ended fiber coupling output is connected to laser on coupler (104) as pumping source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520912842.4U CN205141362U (en) | 2015-11-17 | 2015-11-17 | Adopt semiconductor laser's of bi -polar fiber optic coupling output laser system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520912842.4U CN205141362U (en) | 2015-11-17 | 2015-11-17 | Adopt semiconductor laser's of bi -polar fiber optic coupling output laser system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205141362U true CN205141362U (en) | 2016-04-06 |
Family
ID=55627119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520912842.4U Expired - Fee Related CN205141362U (en) | 2015-11-17 | 2015-11-17 | Adopt semiconductor laser's of bi -polar fiber optic coupling output laser system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205141362U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945424A (en) * | 2016-07-06 | 2016-09-21 | 西安炬光科技股份有限公司 | Semiconductor laser light source for narrow gap welding |
| CN106019859A (en) * | 2016-07-22 | 2016-10-12 | 合肥芯碁微电子装备有限公司 | High-power ultraviolet semiconductor laser for laser direct-writing exposure machine |
| CN110024240A (en) * | 2016-11-25 | 2019-07-16 | 古河电气工业株式会社 | Laser aid and light supply apparatus |
| US10777965B2 (en) | 2016-09-05 | 2020-09-15 | Furukawa Electric Co., Ltd. | Laser apparatus and light source apparatus |
| US11011885B2 (en) | 2016-11-25 | 2021-05-18 | Furukawa Electric Co., Ltd. | Laser device and light-source device |
| CN112886382A (en) * | 2020-02-27 | 2021-06-01 | 山东华光光电子股份有限公司 | Single-group high-power optical fiber coupling semiconductor laser packaging structure and application |
-
2015
- 2015-11-17 CN CN201520912842.4U patent/CN205141362U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945424A (en) * | 2016-07-06 | 2016-09-21 | 西安炬光科技股份有限公司 | Semiconductor laser light source for narrow gap welding |
| CN105945424B (en) * | 2016-07-06 | 2018-02-09 | 西安炬光科技股份有限公司 | A kind of semiconductor laser light resource for narrow gap welding |
| CN106019859A (en) * | 2016-07-22 | 2016-10-12 | 合肥芯碁微电子装备有限公司 | High-power ultraviolet semiconductor laser for laser direct-writing exposure machine |
| US10777965B2 (en) | 2016-09-05 | 2020-09-15 | Furukawa Electric Co., Ltd. | Laser apparatus and light source apparatus |
| CN110024240A (en) * | 2016-11-25 | 2019-07-16 | 古河电气工业株式会社 | Laser aid and light supply apparatus |
| US10985526B2 (en) | 2016-11-25 | 2021-04-20 | Furukawa Electric Co., Ltd. | Laser device and light-source device |
| US11011885B2 (en) | 2016-11-25 | 2021-05-18 | Furukawa Electric Co., Ltd. | Laser device and light-source device |
| CN110024240B (en) * | 2016-11-25 | 2021-10-22 | 古河电气工业株式会社 | Laser device, light source device, and fiber laser |
| CN112886382A (en) * | 2020-02-27 | 2021-06-01 | 山东华光光电子股份有限公司 | Single-group high-power optical fiber coupling semiconductor laser packaging structure and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205141362U (en) | Adopt semiconductor laser's of bi -polar fiber optic coupling output laser system | |
| CN101435918B (en) | Tail fiber coupling output device of laser diode array / surface array | |
| CN204905644U (en) | Laser coupled system | |
| CN202600259U (en) | Coupled system for coupling multi-path discrete semiconductor laser into single optical fiber | |
| CN203811855U (en) | Coupling system coupling multi-beam semiconductor laser into single optical fiber | |
| CN205122992U (en) | Semiconductor laser structure of bi -polar fiber optic coupling output | |
| CN205178260U (en) | Semiconductor laser device of bi -polar fiber optic coupling output | |
| CN105006738A (en) | Parallel connection end-pumped series amplifying high-power laser | |
| CN104300359A (en) | Pigtail output semiconductor laser and coupling method based on array chip type COS | |
| CN203690697U (en) | High-power optical fiber laser | |
| CN205122993U (en) | Semiconductor laser of bi -polar fiber optic coupling output | |
| CN111458814A (en) | Orthogonal coupling light path | |
| CN104993365A (en) | Pump source device, laser source device and design methods thereof | |
| CN101340053A (en) | Medium-infrared thulium doped optical fiber laser amplifier | |
| CN103439773B (en) | High-power all-solid-state continuous laser beam combining system | |
| CN203787764U (en) | Novel blue-violet laser light source | |
| CN206059905U (en) | Semiconductor laser | |
| CN112615248A (en) | Blue laser | |
| CN101854026B (en) | Full solid-state laser for integrated laser diode intracavity pump | |
| CN205122994U (en) | Semiconductor laser and laser system of output of bi -polar fiber optic coupling | |
| CN102208740A (en) | Nanosecond pulse fiber laser with circle structure | |
| CN110649460A (en) | Single-mode single-frequency high-optical-power semiconductor laser light source for monitoring wind speed | |
| CN201243158Y (en) | Medium-infrared thulium doped optical fiber laser amplifier | |
| CN103904558B (en) | A kind of new blue and violet laser sources | |
| CN102646925A (en) | Laser module structure with optical feedback |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Shanzhong Inventor before: Wang Benping |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171222 Address after: 261206 Chongwen street, Fangzi District, Weifang, Shandong Province, north of Chongwen street and south of Planning Road (Weifang Fei Yue Industry and Trade Co., Ltd.) Patentee after: Shandong Xin Ming Environmental Protection Technology Co., Ltd. Address before: Health East high tech Zone 261061 in Shandong province Weifang City Branch No. 6888 Xinyuan room 505-506 Patentee before: SHANDONG SAINT LASER TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20181117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |